18150-1955 TOB 275AC

 
 
18h 15m 02.11s -19 55' 40.2" P.A. 91 sep 23.3 mag 9.75,13.07 Sp B1III
 
 
Coord 2000
18150-1955
Discov num
TOB 275
Comp
AC
Coord arcsec 2000
18 15 02.11 -19 55 40.2
Date first
1987
Date last
1999
Obs
3
Pa first
90
Pa last
91
P.A. Now (θ)
91°
Sep first
23.1
Sep last
23.3
Sep. Now (ρ)
23.3"
Mag pri
9.75
Mag sec
13.07
delta mag (ΔM)
3.32
Spectral class
B1III (blue-white)
Pri motion ra
-001
Sec motion ra
+054
Pri motion dec
-001
Sec motion dec
-009
Notes
N (See Notes)
rPM=1.015
This double is not physical.
 
 
18150-1955 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18150-1955 HJ 2823 AB 1879 2005 13 331 19.8 9.75 10.33 0.58
Show 18150-1955 TOB 275 AC 1987 1999 3 91 23.3 9.75 13.07 3.32 <===
Show 18150-1955 TOB 275 AD 1922 1999 4 47 31.0 9.75 11.66 1.91
Show 18150-1955 TOB 275 CF 1987 1999 4 110 75.4 13.07 11.60 1.47
Show 18150-1955 TOB 275 DE 1987 1999 4 37 35.7 11.66 11.56 0.10
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
90.7
Precise sep
23.329
Constellation
Sagittarius
Tycho2
6272-02020-1
HD
167248
last precise pa
90.7
last precise sep
23.329
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18150-1955 TOB 275 AC 1999 2 91 23.4 9.75 13.07 D 181502.11-195540.2

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